diff --git a/drivers/media/radio/radio-mr800.c b/drivers/media/radio/radio-mr800.c index 9764eca2c49..ac210737894 100644 --- a/drivers/media/radio/radio-mr800.c +++ b/drivers/media/radio/radio-mr800.c @@ -574,9 +574,12 @@ static int usb_amradio_suspend(struct usb_interface *intf, pm_message_t message) mutex_lock(&radio->lock); - retval = amradio_set_mute(radio, AMRADIO_STOP); - if (retval < 0) - dev_warn(&intf->dev, "amradio_stop failed\n"); + if (!radio->muted && radio->initialized) { + retval = amradio_set_mute(radio, AMRADIO_STOP); + if (retval < 0) + dev_warn(&intf->dev, "amradio_stop failed\n"); + radio->muted = 0; + } dev_info(&intf->dev, "going into suspend..\n"); @@ -592,10 +595,30 @@ static int usb_amradio_resume(struct usb_interface *intf) mutex_lock(&radio->lock); - retval = amradio_set_mute(radio, AMRADIO_START); - if (retval < 0) - dev_warn(&intf->dev, "amradio_start failed\n"); + if (unlikely(!radio->initialized)) + goto unlock; + if (radio->stereo) + retval = amradio_set_stereo(radio, WANT_STEREO); + else + retval = amradio_set_stereo(radio, WANT_MONO); + + if (retval < 0) + amradio_dev_warn(&radio->videodev.dev, "set stereo failed\n"); + + retval = amradio_setfreq(radio, radio->curfreq); + if (retval < 0) + amradio_dev_warn(&radio->videodev.dev, + "set frequency failed\n"); + + if (!radio->muted) { + retval = amradio_set_mute(radio, AMRADIO_START); + if (retval < 0) + dev_warn(&radio->videodev.dev, + "amradio_start failed\n"); + } + +unlock: dev_info(&intf->dev, "coming out of suspend..\n"); mutex_unlock(&radio->lock);